Download and install or reinstall Office 2019, Office 2016, or Office …
网页Install Microsoft 365 2019 or 2016 on a PC. Remember a one-time purchase version of Microsoft 365 is licensed for one install only. Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).
Screen mirroring and projecting to your PC or wireless display
网页You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.
Uninstall or remove apps and programs in Windows
网页Uninstall or remove apps and programs in Windows. There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled.
Fix sound or audio problems in Windows - Microsoft Support
网页Select and hold (or right-click) the listing for your sound card or audio device, such as headphones or speakers, select. If Windows doesn't find a new driver, look for one on the device manufacturer's website and follow those instructions. If that doesn't work, try uninstalling your audio driver.
Download and install or reinstall Microsoft 365 or Office 2021 …
网页Guided support in your browser can provide digital solutions for Office problems. Try guided support. Learn more about product keys, assigned licenses, Workplace Discount Program, and volume license versions. Sign in to download and install Microsoft 365 or Office. Tip: Get tech expertise with Business Assist.
How to sign in to Hotmail - Microsoft Support
网页Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.
Manage user accounts in Windows - Microsoft Support
网页Learn how to add user accounts in Windows 10 and Windows 11. With an account, each person has separate files, browser favorites, and a private desktop.
Make and receive phone calls from your PC - Microsoft Support
网页Calling requires Bluetooth capability on both your PC and on your Android device, so make sure you have it turned on for both. To make a call on your PC: Open the Phone Link and select Calls. In the Search your contacts box, search for a contact name or number.
What's the difference between Microsoft 365 and Office 2021?
网页Most of the Microsoft 365 plans for business, schools, and non-profits include the fully installed desktop apps, but Microsoft also offers basic plans with the online versions of Microsoft 365, file storage, and email. You decide what works best for you: Small business, Enterprise, School, or Non-profit.
Windows 11 System Requirements - Microsoft Support
网页For Windows 10 Pro, Education, and Enterprise, S mode is no longer available in Windows 11. Users who want to upgrade to Windows 11 will need to switch out of S mode and will not have an option to switch back again. Windows 10 Home can upgrade to Windows 11 Home in S mode without needing to switch out of S mode.
Contact Us - Microsoft Support
网页Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.